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# Calling either nurses, pharmasists?,math wizards.

Posted by on Jan. 8, 2013 at 11:17 PM
• 13 Replies
Okay we are doing ratio & perportions. Im doing it as diamentsional analyzsis (sorry my spelling is so off tonight folks haha).

My question is
" If you inject 15cc of lymphocyte immune globulin ( 250mg protein [5mg per ml]) into a patients IV, what dose in milligrams are you giving the patient?"

How i did it was :
15cc = 15ml (1cc = 1ml).
15ml x 5mg / 5ml (mls cancel out) = 15 mg.
However, the back of my book says 750mg (but it is known to be wrong).

Which answer is correct? / What did i mess up?
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by on Jan. 8, 2013 at 11:17 PM
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Replies (1-10):
by on Jan. 8, 2013 at 11:18 PM
1 mom liked this
I just loss brain cells reading this. Here's a bump for you!
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by Christina on Jan. 8, 2013 at 11:19 PM
haha i just figured out how i effed it up °facepalm.

Ill leave it up now to see if anyone else guesses it right haha

Quoting GhettoKoolAide:

I just loss brain cells reading this. Here's a bump for you!

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by on Jan. 8, 2013 at 11:21 PM
My eyes crossed reading it. But I am so bad at math that I bought basic algebra books to practice in before I start school.

Quoting ninjakids:

haha i just figured out how i effed it up °facepalm.

Ill leave it up now to see if anyone else guesses it right haha

Quoting GhettoKoolAide:

I just loss brain cells reading this. Here's a bump for you!

Posted on the NEW CafeMom Mobile
by Christina on Jan. 8, 2013 at 11:24 PM
1 mom liked this
Im horrible at it as well haha luckily its medical math so itsnot to hard haha

Quoting GhettoKoolAide:

My eyes crossed reading it. But I am so bad at math that I bought basic algebra books to practice in before I start school.

Quoting ninjakids:

haha i just figured out how i effed it up °facepalm.

Ill leave it up now to see if anyone else guesses it right haha

Quoting GhettoKoolAide:

I just loss brain cells reading this. Here's a bump for you!

Posted on the NEW CafeMom Mobile
by Gold Member on Jan. 8, 2013 at 11:25 PM
Ok I get 75 not 750???? If it's 5 mg / ml then it would be 15 ml x 5mg = 75 mg ??
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by Anonymous 1 on Jan. 8, 2013 at 11:27 PM
I got 75 mg but I'm high and drunk
by on Jan. 8, 2013 at 11:28 PM
75 mg :)
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by on Jan. 8, 2013 at 11:31 PM

75mg

by on Jan. 8, 2013 at 11:33 PM

Oh thank you all the PP's who were as confused as I am.  I got 75mg too.  Not 750mg.

by on Jan. 8, 2013 at 11:33 PM
15ml / 5 mg (5 mg per 15 ml) x mg protein (250) = 750
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